Biochemist Gregory Petsko makes a convincing argument that, in the next 50 years, we'll see an epidemic of neurological diseases, such as Alzheimer's, as the world population ages. His solution: more research into the brain and its functions.

Gregory Petsko is a biochemist who studies the proteins of the body and their biochemical function. Working with Dagmar Ringe, he's doing pioneering work in the way we look at proteins and what they do.
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